package 链表;

/**
 * @Author: biubiu0002
 * @Date: 2021-07-10 15:12
 **/
public class ListNode {
    public int val;
    public ListNode next;
    ListNode(){}
    ListNode(int val) { this.val = val; }
    ListNode(int val, ListNode next) { this.val = val; this.next = next; }
}
